.page-contact {
  --contact-gap: clamp(1rem, 2.2vw, 1.75rem);
  --contact-panel: rgba(14, 46, 42, 0.68);
  --contact-panel-soft: rgba(14, 46, 42, 0.42);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(1.5rem, 5vw, 3.5rem));
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(34, 227, 195, 0.16), transparent 58%),
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--ink-700) 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -46%;
  width: min(46rem, 70vw);
  height: 62%;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(107, 92, 231, 0.3), rgba(34, 227, 195, 0.05));
  transform: rotate(-9deg);
  pointer-events: none;
}

.page-contact .breadcrumbs {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(1.25rem, 3vw, 2.25rem);
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-contact .contact-hero__copy .display-1 {
  margin: 0.5rem 0 0;
  max-width: 20ch;
}

.page-contact .contact-hero__copy .lede {
  margin-top: 1.1rem;
  max-width: 56ch;
}

.page-contact .contact-hero__actions,
.page-contact .visit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-contact .contact-quick {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.1rem, 2.6vw, 1.75rem);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  background: rgba(10, 31, 28, 0.72);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-quick__title {
  margin: 0;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .contact-quick__row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--hairline);
}

.page-contact .contact-quick__key {
  font-size: 0.875rem;
  color: var(--muted);
}

.page-contact .contact-quick__val {
  font-size: 0.95rem;
  color: var(--text);
  word-break: break-all;
}

.page-contact .contact-quick__note {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 章节头部 ---------- */
.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .section-head .section-title {
  margin: 0.5rem 0 0;
}

.page-contact .section-lede {
  margin: 0.85rem 0 0;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三条联系通道 ---------- */
.page-contact .reach__figure {
  margin: 0 0 clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .reach__frame,
.page-contact .export__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-contact .reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .reach-card {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  border-radius: var(--radius-lg);
}

.page-contact .reach-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-contact .reach-card__head .card__title {
  margin: 0;
}

.page-contact .reach-card__value {
  margin: 0;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .reach-card__value--addr {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--orange);
  word-break: normal;
}

.page-contact .reach-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.page-contact .reach-card__list li {
  position: relative;
  padding-left: 1rem;
}

.page-contact .reach-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-soft);
}

.page-contact .copy-btn {
  justify-self: start;
  margin-top: 0.25rem;
}

/* ---------- 沟通节奏 ---------- */
.page-contact .rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .rhythm__intro .section-title {
  margin: 0.5rem 0 0;
}

.page-contact .rhythm__intro .lede {
  margin-top: 1rem;
}

.page-contact .rhythm__notes {
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .rhythm__notes li {
  position: relative;
  padding-left: 1.2rem;
}

.page-contact .rhythm__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .rhythm__intro .btn {
  margin-top: 1.5rem;
}

.page-contact .rhythm__list {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.5rem;
  list-style: none;
  display: grid;
  gap: 0.85rem;
}

.page-contact .rhythm__list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--cyan), rgba(34, 227, 195, 0.1));
}

.page-contact .rhythm__item {
  position: relative;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--contact-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .rhythm__item::before {
  content: "";
  position: absolute;
  left: -1.5rem;
  top: 1.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
}

.page-contact .rhythm__item--accent::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .rhythm__item:hover,
.page-contact .rhythm__item:focus-within {
  border-color: var(--hairline-strong);
  transform: translateX(3px);
}

.page-contact .rhythm__time {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .rhythm__title {
  margin: 0.35rem 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.page-contact .rhythm__item p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 导出协助 ---------- */
.page-contact .export__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
}

.page-contact .export__needs {
  display: grid;
  gap: 0.85rem;
}

.page-contact .need-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-md);
  background: var(--contact-panel-soft);
}

.page-contact .need-card__no {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
}

.page-contact .need-card__title {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.page-contact .need-card p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .export__figure {
  margin: 0;
}

.page-contact .export__template {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(1.1rem, 2.6vw, 1.75rem);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(20, 65, 58, 0.6), rgba(10, 31, 28, 0.85));
}

.page-contact .export__template-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.page-contact .export__template-head .card__label {
  margin: 0;
  color: var(--cyan);
}

.page-contact .export__template-head .muted-text {
  margin: 0;
  font-size: 0.88rem;
}

.page-contact .mail-template {
  margin: 0;
  padding: clamp(0.95rem, 2vw, 1.4rem);
  border: 1px dashed var(--hairline-strong);
  border-radius: var(--radius-md);
  background: rgba(10, 31, 28, 0.78);
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .export__template .stat-note {
  margin: 1rem 0 0;
  color: var(--muted);
}

/* ---------- 合作与内容对接 ---------- */
.page-contact .collab__list {
  display: grid;
  gap: 0.75rem;
}

.page-contact .collab-item {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--contact-panel);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .collab-item[open] {
  border-color: var(--hairline-strong);
}

.page-contact .collab-item__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.15rem;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.page-contact .collab-item__head::-webkit-details-marker {
  display: none;
}

.page-contact .collab-item__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--cyan);
}

.page-contact .collab-item[open] .collab-item__head::after {
  content: "–";
}

.page-contact .collab-item__body {
  padding: 0 1.15rem 1.2rem;
  border-top: 1px solid var(--hairline);
}

.page-contact .collab-item__body p {
  margin: 0.9rem 0 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab-item__label {
  margin-top: 1.1rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--indigo);
}

.page-contact .collab-item__req {
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
  font-size: 0.94rem;
  color: var(--text);
}

.page-contact .collab-item__req li {
  position: relative;
  padding-left: 1.15rem;
}

.page-contact .collab-item__req li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--indigo);
}

.page-contact .collab__foot {
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .collab__foot a {
  color: var(--cyan);
}

/* ---------- 到访信息 ---------- */
.page-contact .visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .visit__copy .section-title {
  margin: 0.5rem 0 0;
}

.page-contact .visit__copy .lede {
  margin-top: 1rem;
}

.page-contact .visit__list {
  margin: 1.35rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .visit__list li {
  position: relative;
  padding-left: 1.2rem;
}

.page-contact .visit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 2px;
  background: var(--gold);
}

.page-contact .map-grid {
  position: relative;
  min-height: 260px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: rgba(14, 46, 42, 0.42);
  background-image:
    linear-gradient(rgba(124, 246, 222, 0.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 246, 222, 0.11) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px;
}

.page-contact .map-grid::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: 70%;
  height: 120%;
  background: linear-gradient(120deg, rgba(34, 227, 195, 0.14), transparent 70%);
  transform: rotate(-12deg);
}

.page-contact .map-grid__pin {
  position: absolute;
  left: 47%;
  top: 40%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 9px rgba(255, 138, 61, 0.16);
}

.page-contact .map-grid__tag {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill);
  background: rgba(10, 31, 28, 0.82);
  font-size: 0.82rem;
  color: var(--cyan-soft);
  white-space: nowrap;
  max-width: calc(100% - 2rem);
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .reach__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .reach-card--visit {
    grid-column: span 2;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    align-items: end;
  }

  .page-contact .rhythm__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .export__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .visit__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

  .page-contact .map-grid {
    min-height: 340px;
  }
}

@media (min-width: 1200px) {
  .page-contact .reach__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .reach-card--mail {
    grid-column: span 7;
  }

  .page-contact .reach-card--phone {
    grid-column: span 5;
  }

  .page-contact .reach-card--visit {
    grid-column: span 12;
  }
}

@media (max-width: 560px) {
  .page-contact .contact-hero__copy .display-1 {
    max-width: none;
  }

  .page-contact .need-card {
    grid-template-columns: 1fr;
  }

  .page-contact .mail-template {
    font-size: 0.82rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .rhythm__item,
  .page-contact .collab-item {
    transition: none;
  }

  .page-contact .rhythm__item:hover,
  .page-contact .rhythm__item:focus-within {
    transform: none;
  }
}